According to ANSI Z133, what is the minimum safe working distance from energized power lines rated at 50 kV or below for qualified line-clearance arborists?
Twc Safety
Question · Easy
Which knot is most commonly used as the primary climbing hitch for ascending a climbing line?
Twc Climbing And Rigging
What type of personal protective equipment (PPE) is required when operating a chainsaw aloft?
Trades Exam Prep Podcast
Listen on Spotify
Podcast
What is the primary purpose of a false crotch or cambium saver when used as a redirect point?
Question · Medium
Before beginning a climb, a tree worker should always perform which of the following?
What is the function of the notch cut (face cut) during tree felling?
Twc Tree Removal
Which of the following best describes the body thrust technique in tree climbing?
What is the purpose of a work positioning lanyard (flipline) in tree climbing?
When pruning, what does the term 'crown cleaning' refer to?
Twc Pruning
What is the correct escape route angle when felling a tree?
Which rope construction is most commonly used for arborist climbing lines?
What layer of the tree is responsible for producing new wood and bark cells?
Twc Tree Id And Health
When should climbing spurs (spikes/gaffs) be used during tree work?
What is the three-cut method used for when removing a large branch?
What is the minimum rated breaking strength required for arborist climbing lines according to industry standards?
During an aerial rescue, what is the first priority after reaching the injured climber?
What is the recommended notch depth for a standard felling cut?
Question · Hard
Which term describes the unintended rearward movement of a chainsaw bar caused by the upper portion of the bar tip contacting an object?
What is the primary function of the branch collar in wound closure?
A rigging block (pulley) used in tree work should be rated for what type of load?
What does CODIT stand for in arboriculture?
When rigging a large limb for removal using a speed line (tag line), what factor is most critical in determining the anchor point?
Crown reduction pruning is best described as:
What is the most significant hazard associated with climbing a dead or severely decayed tree?
What is the bore cut (plunge cut) primarily used for in tree felling?
What distinguishes a coniferous tree from a deciduous tree?
What is the purpose of a chain brake on a chainsaw?
In rope rigging, what is the purpose of a lowering device (friction brake)?
What does 'lion's tailing' refer to in tree pruning?
According to OSHA regulations, who is responsible for ensuring that workers are trained in aerial rescue procedures?
What is a duty to act as it pertains to working near energized conductors?
What is the minimum diameter typically recommended for an arborist throwline?
Topping a tree is considered a harmful practice because it:
What is the primary purpose of establishing a work zone (drop zone) around a tree removal operation?
What is the Humboldt notch (undercut) primarily used for?
What information should be communicated to the utility company before performing tree work near power lines?
The footlock technique in tree climbing is used to:
A co-dominant stem with included bark is a hazard because:
What is the purpose of a tag line in rigging operations?
What is the correct response if a climber discovers a bee or wasp nest while working in a tree?
What is the working load limit (WLL) of a piece of rigging hardware typically calculated as?
Photosynthesis in trees primarily occurs in which structure?
When using a chainsaw aloft, the saw should be started:
What type of cabling system uses flexible steel cables installed between co-dominant stems or major limbs?
What is the main purpose of ANSI A300 standards in arboriculture?
During a speed line rigging operation, what happens if the bull rope is too short for the piece being lowered?
Suspension trauma (harness hang syndrome) can become life-threatening within what timeframe after a climber is suspended and motionless in a harness?
Loading more…